Really? Ridiculous, they could have given us one updated demo showcasing more content. What company turns down the opportunity to put out paid content if they can get away with it?
Well, their loss. I honestly think this decision means a lot of followers might forget this game before the full release. Then they won't be in such a good financial spot.
One that doesn't care only about money above all else, I would guess.
We are getting another demo later, this one is more of a pre-demo. There'll be a full demo that covers more (it includes the boss they're currently working on for example) and that will be the one that goes up on the dlsite page. Expect it in the fall of this year.
I figure this decision has it's upsides as well as it's downsides, especially for them. I bet it takes a fair amount of dev time to get the game ready for a release, and having to do that each month probably slowed mission mermaiden's development down a fair bit. It also limits the scope of things they can add; if it takes more than a month to add, then it's tricky to implement it under that model without having a 'dead month' with little in the update.
Yes this limits their income, but mission mermaiden was extremely successful, enough to make that a non-issue for a couple years, and people can follow their ci-en just the same as before. This means they can focus fully on adding new features and content rather than getting the project in shape for a playable release, so they'll (hopefully) be able to work faster.
I'm sad about it personally, as I would almost certainly have bought at least a couple of demos, but I can wait. Also, it will actually be nice to have a full game to enjoy when it does release. We saw so much of MM that there was very little content new to the final release.